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MODIS Hardware Information
Instrument Characteristics
The Moderate Resolution Imaging Spectroradiometer (MODIS), is an imaging radiometer employing multiple in-track detectors and a cross-track scan mirror and collecting optics, and a set of individual detector elements which will provide imagery of the Earth's surface and cloud cover in 36 discrete spectral bands. Contiguous scan swaths of 2330km in cross-track by 10km in-track are acquired to provide 2-day repeat observations of the Earth. Its task is to develop a detailed understanding of the Earth and the dynamics of global change.
MODIS is the keystone instrument on the Terra mission, launched on 18 December 1999, and also on the Aqua mission, scheduled to be launched in April, 2002. The EOS Project is designed to collect data for 15 years in order to differentiate short-term and long-term trends, as well as, regional and global phenomena.
MODIS Instrument Views:
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Last Update: July 3, 2008